#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
int main(void)
{
	int pid = fork();
	if(pid == 0)
	{
		printf("child finish\n");
		return 0;
	}
	while(1)
	{
		sleep(1);
	}
	return 0;
}
